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  5. Electric Current and Its Effects

7th Class Science Electric Current and Its Effects Question Bank Electric Current and Its Effects

  • question_answer
    Which of these is NOT an insulating material?

    A)  Sawdust                      

    B)       Wool               

    C)       Aluminium foil  

    D)       Glass

    Correct Answer: C

    Solution :

    Aluminium foil is a conductor. All the other options (A), (B) and (D) are insulating materials.


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